Improper Handling of Exceptional Conditions Affecting haproxy package, versions <2.2.16-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.46% (76th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIANUNSTABLE-HAPROXY-1566783
  • published18 Aug 2021
  • disclosed17 Aug 2021

Introduced: 17 Aug 2021

CVE-2021-39242  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Debian:unstable haproxy to version 2.2.16-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.

CVSS Scores

version 3.1